SBVA094
February 2025
TPS7A21
1
Abstract
Trademarks
1
Introduction
1.1
Oscilloscope Basics
2
Implications of Parasitics
3
Common Oscilloscope Issues
3.1
Choosing an Oscilloscope Probe: Probe with Ground Clip vs SMA
3.2
Sufficient Sampling
3.3
Visualization
3.4
Measuring Using Current Probes
3.5
Bandwidth Limiting and Averaging
4
Parasitic Effects on Common Measurements
4.1
Load Transients
4.2
Line Transients
4.3
Power Supply Rejection Ratio
4.4
Output Noise Voltage
5
Summary
6
References
Application Note
High Quality Low-Dropout Regulator Measurement Techniques